diff --git a/package.json b/package.json
index 1c964b3..94c506b 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "installed-check": "2.2.0",
     "mocha": "5.2.0",
     "nodemon": "1.18.4",
-    "nyc": "13.0.1",
+    "nyc": "13.1.0",
     "pegjs": "0.9.0"
   }
 }